<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>Document</title>
    </head>
       <body>
<!-- 表单容器 -->
        <form>
            <input type="text" placeholder="请输入用户名"></input>
            <input type="password" placeholder="请输入密码"></input>
            <input type="number" placeholder="请输入数字"></input>
            <input type="search" placeholder="搜索"></input>
            <input type="file" accept=".JPEG"></input>
    
            <input type="checkbox" checked></input>
            <input type="radio" name="sex" checked></input>
            <input type="radio" name="sex"></input>

            <select>
                <option>男</option>
                <option>女</option>
            </select>

            <textarea cols="30" rows="10"></textarea>

            <button>按钮</button>
            <button type="submit">提交</button>
            <button type="reset">重置</button>
            


        </form>
       </body>
</html>